.TH "QwtCompassMagnetNeedle" 3 "Tue Nov 20 2012" "Version 5.2.3" "Qwt User's Guide" \" -*- nroff -*-
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.SH NAME
QwtCompassMagnetNeedle \- 
.SH SYNOPSIS
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.PP
.PP
\fC#include <qwt_dial_needle\&.h>\fP
.PP
Inherits \fBQwtDialNeedle\fP\&.
.SS "Public Types"

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.RI "enum \fBStyle\fP { \fBTriangleStyle\fP, \fBThinStyle\fP }"
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.SS "Public Member Functions"

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.RI "\fBQwtCompassMagnetNeedle\fP (\fBStyle\fP=TriangleStyle, const QColor &light=Qt::white, const QColor &dark=Qt::red)"
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.RI "virtual void \fBdraw\fP (QPainter *, const QPoint &, int length, double direction, QPalette::ColorGroup=QPalette::Active) const "
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.SS "Static Public Member Functions"

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.RI "static void \fBdrawThinNeedle\fP (QPainter *, const QPalette &, QPalette::ColorGroup, const QPoint &, int length, double direction)"
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.RI "static void \fBdrawTriangleNeedle\fP (QPainter *, const QPalette &, QPalette::ColorGroup, const QPoint &, int length, double direction)"
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.SS "Static Protected Member Functions"

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.RI "static void \fBdrawPointer\fP (QPainter *painter, const QBrush &brush, int colorOffset, const QPoint &center, int length, int width, double direction)"
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.SH "Detailed Description"
.PP 
A magnet needle for compass widgets\&. 

A magnet needle points to two opposite directions indicating north and south\&.
.PP
The following colors are used:
.IP "\(bu" 2
QColorGroup::Light
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 Used for pointing south
.IP "\(bu" 2
QColorGroup::Dark
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 Used for pointing north
.IP "\(bu" 2
QColorGroup::Base
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 Knob (ThinStyle only)
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\fBSee also:\fP
.RS 4
\fBQwtDial\fP, \fBQwtCompass\fP 
.RE
.PP

.SH "Member Function Documentation"
.PP 
.SS "void QwtCompassMagnetNeedle::draw (QPainter *painter, const QPoint &center, intlength, doubledirection, QPalette::ColorGroupcolorGroup = \fCQPalette::Active\fP) const\fC [virtual]\fP"
Draw the needle
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\fBParameters:\fP
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\fIpainter\fP Painter 
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\fIcenter\fP Center of the dial, start position for the needle 
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\fIlength\fP Length of the needle 
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\fIdirection\fP Direction of the needle, in degrees counter clockwise 
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\fIcolorGroup\fP Color group, used for painting 
.RE
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.PP
Implements \fBQwtDialNeedle\fP\&.
.SS "void QwtCompassMagnetNeedle::drawPointer (QPainter *painter, const QBrush &brush, intcolorOffset, const QPoint &center, intlength, intwidth, doubledirection)\fC [static]\fP, \fC [protected]\fP"
Draw a compass needle
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\fBParameters:\fP
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\fIpainter\fP Painter 
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\fIbrush\fP Brush 
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\fIcolorOffset\fP Color offset 
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\fIcenter\fP Center, where the needle starts 
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\fIlength\fP Length of the needle 
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\fIwidth\fP Width of the needle 
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\fIdirection\fP Direction 
.RE
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.SS "void QwtCompassMagnetNeedle::drawThinNeedle (QPainter *painter, const QPalette &palette, QPalette::ColorGroupcolorGroup, const QPoint &center, intlength, doubledirection)\fC [static]\fP"
Draw a compass needle
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\fBParameters:\fP
.RS 4
\fIpainter\fP Painter 
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\fIpalette\fP Palette 
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\fIcolorGroup\fP Color group 
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\fIcenter\fP Center, where the needle starts 
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\fIlength\fP Length of the needle 
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\fIdirection\fP Direction 
.RE
.PP

.SS "void QwtCompassMagnetNeedle::drawTriangleNeedle (QPainter *painter, const QPalette &palette, QPalette::ColorGroupcolorGroup, const QPoint &center, intlength, doubledirection)\fC [static]\fP"
Draw a compass needle
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\fBParameters:\fP
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\fIpainter\fP Painter 
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\fIpalette\fP Palette 
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\fIcolorGroup\fP Color group 
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\fIcenter\fP Center, where the needle starts 
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\fIlength\fP Length of the needle 
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\fIdirection\fP Direction 
.RE
.PP


.SH "Author"
.PP 
Generated automatically by Doxygen for Qwt User's Guide from the source code\&.
